Arcs 1-4 of the Warriors Cats Series by Erin Hunter. In excellent condition. Can buy all 24 books in bulk ($75) or can purchase specific books ($3.50 ea) just direct message me. (There are currently 7 arcs and an 8th one in progress. But for me, the first 4 were the best and the story could have feasibly ended with the last book of the fourth arc “Omen of the Stars: The Last Hope.”)